mirror of
https://github.com/MariaDB/server.git
synced 2025-08-24 14:48:09 +03:00
82 lines
2.2 KiB
Plaintext
82 lines
2.2 KiB
Plaintext
#
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# immediate scrubbing is off
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# background scrubbing is on
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#
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show variables like 'innodb_%scrub_data%';
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Variable_name Value
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innodb_background_scrub_data_check_interval 3600
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innodb_background_scrub_data_compressed ON
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innodb_background_scrub_data_interval 604800
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innodb_background_scrub_data_uncompressed ON
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innodb_immediate_scrub_data_uncompressed OFF
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# make sure spaces are checked quickly
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SET GLOBAL innodb_background_scrub_data_check_interval=1;
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create table snapshot_status engine = myisam
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select * from information_schema.global_status
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where variable_name like 'innodb_scrub%';
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truncate table snapshot_status;
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insert into snapshot_status
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select * from information_schema.global_status
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where variable_name like 'innodb_scrub%';
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#
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# Test delete of records
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#
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create table t1 (
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a int auto_increment primary key,
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b varchar(256),
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c text, index(b)) engine = innodb row_format=dynamic;
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# Populate table with rows
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delete from t1;
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#
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# Test delete+rollback+delete
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#
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create table t2 (
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a int auto_increment primary key,
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b varchar(256),
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c text, index(b)) engine = innodb row_format=dynamic;
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# Populate table with rows
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begin;
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delete from t2;
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rollback;
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delete from t2;
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#
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# Test insert+rollback
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#
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create table t3 (
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a int auto_increment primary key,
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b varchar(256),
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c text, index(b)) engine = innodb row_format=dynamic;
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# Populate table with rows
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begin;
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rollback;
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# start scrubbing threads
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SET GLOBAL innodb_encryption_threads=5;
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# Wait max 10 min for scrubbing
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# Success!
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# stop scrubbing threads
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SET GLOBAL innodb_encryption_threads=0;
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# restart mysqld so that all pages are flushed
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# read all rows from table
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select * from t1;
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# dynamic: delete: grep -c bicycle t1.ibd
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0
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# dynamic: delete: grep -c repairman t1.ibd
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0
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# dynamic: delete rollback: grep -c bicycle t2.ibd
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0
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# dynamic: delete rollback: grep -c repairman t2.ibd
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0
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# dynamic: insert rollback: grep -c bicycle t3.ibd
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0
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# dynamic: insert rollback: grep -c repairman t3.ibd
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0
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drop table t1, t2, t3;
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show variables like 'innodb_%scrub_data%';
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Variable_name Value
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innodb_background_scrub_data_check_interval 3600
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innodb_background_scrub_data_compressed ON
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innodb_background_scrub_data_interval 604800
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innodb_background_scrub_data_uncompressed ON
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innodb_immediate_scrub_data_uncompressed OFF
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drop table snapshot_status;
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